• These hands-on activities for middle school students focus on measurement, scale and proportion (nanoscale and microscale) and nanotechnologies. These brief activities can be used in a classroom setting as well as informal education settings.


    • Students will understand that magnifying objects allows them to be seen in more detail.
    • Students will recognize that objects look different at different magnifications.
    • Streptococcus bacteria are responsible for most tooth cavities and are a leading cause of oral infections.
  • Term Part of Speech Definition Encyclopedic Entry
    microscope Noun

    instrument used to view very small objects by making them appear larger.

    microscopy Noun

    study, design, and use of microscopes.

    nanoparticle Noun

    material that has an average particle size of 1-100 nanometers.

    nanoscale Noun

    length scale whose relevant unit of measurement is the nanometer (nm), or a billionth of a meter. Also called the nanoscopic scale.

    nanotechnology Noun

    development and study of technological function and devices on a scale of individual atoms and molecules.